Home / 11,718.88-17,579.77-4,323.38

Finding the Fourth Proportional to 11,718.88, 17,579.77 and 4,323.38

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Solution

The fourth proportional to 11,718.88, 17,579.77 and 4,323.38 is: 6,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.88 : 17,579.77 = 4,323.38 : x
  2. Step 2: Convert to fraction form
    11,718.88/17,579.77 = 4,323.38/x
  3. Step 3: Cross multiply
    11,718.88x = 17,579.77 × 4,323.38
  4. Step 4: Simplify right side
    11,718.88x = 76,003,927.32
  5. Step 5: Solve for x
    x = 76,003,927.32/11,718.88
  6. Step 6: Final answer
    x = 6,485.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.